ARRT CT EXAM REVIEW 2
COMPLETE ANSWERS 100% CORRECT (LATEST 2024 / 2025 )
• Which of the following would be best suited for intravenous injection of contrast material with a power injector?
- butterfly needle
- central venous line
- 23g spinal needle
d. angiocatheter: d. angiocatheter
• Before the intravenous injection of iodinated contrast material, patients should be questioned
regarding their:
- renal function
- allergic history
- cardiac history
- 1 only
- 2 only
- 3 only
d. 1, 2, and 3: d. 1, 2, and 3
• A(n) infection is one that a patient acquires during a stay in a health care institution.
- blood borne
- nosocomial
- iatrogenic
d. staphylococal: B. Nosocomial
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• Which of the following sets of values would be considered normal levels for creatinine and blood urea nitrogen (BUN), respectively?
- 3.1 mg/dL; 1.2 mg/dL
- 1.2 mg/dL ; 14mg/dL
- 0.7 mg/dL ; 39 mg/dL
d. 5.2 mg/dL ; 12 mg/dL: b. 1.2 mg/dL ; 14mg/dL
• Which of the following sizes of butterfly needles allows for the most road administration of iodinated intravenous contrast media?
- 19g
- 21g
- 23g
d. 25g: a. 19g
• The choice between ionic and nonionic contrast media should be based on:
- the allergic history of the patient
- the cost of the contrast material
- the age and physical condition of the patient
- 1 only
- 1 and 2 only
- 1 and 3 only
d. 1, 2, and 3: c. 1 and 3 only
• As related to the cardiac cycle, the term refers to the relaxation of heart muscle.
- diastole
- equilibrium
- systole 2 / 4
d. a-fib: a. diastole
• Which of the following may be considered one of the high-osmolar contrast media?
- iothalamate meglumine
- diatrizoate sodium
- iohexl
- 1 only
- 3 only
- 1 and 2 only
d. 1, 2, and 3: c. 1 and 2 only
• Which of the following medications may be administered to a patient who is having a severe anaphylactoid reaction to iodinated contrast material?
- epinephrine
- atropine
- diphenhydramine
- 1 only
- 1 and 2 only
- 1 and 3 only
d. 1, 2, and 3: c. 1 and 3 only
• The escape of contrast material from a needle or blood vessel into the subcutaneous tissues is
called:
- infusion
- extravasation
- influxation
d. extraversion: b. extravasation
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• Thorough explanation of the CT procedure and proper communication with the patient are
vital in ensuring that:
- breathing instructions are properly followed
- motion artifact does not occur
- patient anxiety is kept at a minimum
- 1 and 2 only
- 1 and 3 only
- 2 and 3 only
d. 1, 2, and 3: d. 1, 2, and 3
• 12. Risk factors for contrast induced nephrotoxcity (CIN) include:
- pheochromocytoma
- allergy to shellfish
- dehydration
- 2 only
- 3 only
- 1 and 2 only
d. 1, 2, and 3: b. 3 only
• Normal range for oxygen (o2) saturation is:
- 20%-25%
- 50%-60%
- 80%-85%
d. 95%-100%: d. 95%-100%
• Which of the following laboratory measurements can be used to evaluate the renal function of a patient?
- blood urea nitrogen (BUN)
- partial thromboplastin time (PTT)
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